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<div class="title">src/ca/uqac/dim/turtledb/XmlConditionVisitor.java</div>  </div>
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<a href="_xml_condition_visitor_8java.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">    Simple distributed database engine</span>
<a name="l00003"></a>00003 <span class="comment">    Copyright (C) 2012  Sylvain Hallé</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">    This program is free software: you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
<a name="l00007"></a>00007 <span class="comment">    the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">    (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00013"></a>00013 <span class="comment">    GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">    You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment">    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00017"></a>00017 <span class="comment"> -------------------------------------------------------------------------*/</span>
<a name="l00018"></a>00018 <span class="keyword">package </span>ca.uqac.dim.turtledb;
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 <span class="keyword">import</span> java.util.Stack;
<a name="l00021"></a>00021 <span class="keyword">import</span> org.w3c.dom.*;
<a name="l00022"></a>00022 
<a name="l00023"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html">00023</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html">XmlConditionVisitor</a> <span class="keyword">extends</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_condition_visitor.html">ConditionVisitor</a>
<a name="l00024"></a>00024 {
<a name="l00025"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">00025</a>   <span class="keyword">protected</span> Stack&lt;Node&gt; <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>;
<a name="l00026"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">00026</a>   <span class="keyword">protected</span> Document <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>;
<a name="l00027"></a>00027 
<a name="l00028"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ad0054e1ac629e4b04809438c607f68eb">00028</a>   <span class="keyword">public</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ad0054e1ac629e4b04809438c607f68eb">XmlConditionVisitor</a>(Document doc)
<a name="l00029"></a>00029   {
<a name="l00030"></a>00030     super();
<a name="l00031"></a>00031     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a> = doc;
<a name="l00032"></a>00032   }
<a name="l00033"></a>00033   
<a name="l00034"></a>00034   @Override
<a name="l00035"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a7aa7781f89b95211a1bfa073ea012ae1">00035</a>   <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a7aa7781f89b95211a1bfa073ea012ae1">visit</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_logical_and.html">LogicalAnd</a> c)
<a name="l00036"></a>00036   {
<a name="l00037"></a>00037     Node n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;and&quot;</span>);
<a name="l00038"></a>00038     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ab992d7246db756c5eeeb88b3f3d908b6">visitNAry</a>(n, c);
<a name="l00039"></a>00039   }
<a name="l00040"></a>00040   
<a name="l00041"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ab992d7246db756c5eeeb88b3f3d908b6">00041</a>   <span class="keyword">protected</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ab992d7246db756c5eeeb88b3f3d908b6">visitNAry</a>(Node <span class="keyword">operator</span>, <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_n_ary_condition.html">NAryCondition</a> c)
<a name="l00042"></a>00042   {
<a name="l00043"></a>00043     <span class="keywordtype">int</span> len = c.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_n_ary_condition.html#a73505d27c1ba1b2d52d2addd1d87bf16">getArity</a>();
<a name="l00044"></a>00044     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; len; i++)
<a name="l00045"></a>00045     {
<a name="l00046"></a>00046       Node op = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>.pop();
<a name="l00047"></a>00047       operator.appendChild(op);
<a name="l00048"></a>00048     }
<a name="l00049"></a>00049     Node out = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;condition&quot;</span>);
<a name="l00050"></a>00050     out.appendChild(<span class="keyword">operator</span>);
<a name="l00051"></a>00051     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>.push(out);
<a name="l00052"></a>00052   }
<a name="l00053"></a>00053 
<a name="l00054"></a>00054   @Override
<a name="l00055"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a23c054de982533fd43872bec2bf5c74e">00055</a>   <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a7aa7781f89b95211a1bfa073ea012ae1">visit</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_logical_or.html">LogicalOr</a> c)
<a name="l00056"></a>00056   {
<a name="l00057"></a>00057     Node n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;or&quot;</span>);
<a name="l00058"></a>00058     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ab992d7246db756c5eeeb88b3f3d908b6">visitNAry</a>(n, c);
<a name="l00059"></a>00059   }
<a name="l00060"></a>00060 
<a name="l00061"></a>00061   @Override
<a name="l00062"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#ac7947eac191b34a8056e7127c4914387">00062</a>   <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a7aa7781f89b95211a1bfa073ea012ae1">visit</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_equality.html">Equality</a> e)
<a name="l00063"></a>00063   {
<a name="l00064"></a>00064     Node n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;equals&quot;</span>);
<a name="l00065"></a>00065     Node n_left = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a4cdd8411024b27b14d12e5cd9598032f">createLiteralNode</a>(e.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_equality.html#aac08f83fb8cdaab8272c6e6d2262a8c9">m_left</a>);
<a name="l00066"></a>00066     Node n_right = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a4cdd8411024b27b14d12e5cd9598032f">createLiteralNode</a>(e.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_equality.html#a594cedcb8a24592e992d5034362c28f5">m_right</a>);
<a name="l00067"></a>00067     n.appendChild(n_left);
<a name="l00068"></a>00068     n.appendChild(n_right);
<a name="l00069"></a>00069     Node n_c = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;condition&quot;</span>);
<a name="l00070"></a>00070     n_c.appendChild(n);
<a name="l00071"></a>00071     <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>.push(n_c);
<a name="l00072"></a>00072   }
<a name="l00073"></a>00073   
<a name="l00074"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#af98c470de313ed0f04e3f0c32b35351c">00074</a>   <span class="keyword">public</span> Node <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#af98c470de313ed0f04e3f0c32b35351c">getCondition</a>()
<a name="l00075"></a>00075   {
<a name="l00076"></a>00076     Node out = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>.peek();
<a name="l00077"></a>00077     <span class="keywordflow">return</span> out;
<a name="l00078"></a>00078   }
<a name="l00079"></a>00079   
<a name="l00080"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a5e36556d4c00470ecf25e09fea6195d8">00080</a>   <span class="keyword">public</span> Node <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a5e36556d4c00470ecf25e09fea6195d8">getNode</a>()
<a name="l00081"></a>00081   {
<a name="l00082"></a>00082     Node out = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a6dcdaf0be1e628b6b8eb425f8cc450e8">m_parts</a>.peek();
<a name="l00083"></a>00083     <span class="keywordflow">return</span> out;
<a name="l00084"></a>00084   }
<a name="l00085"></a>00085 
<a name="l00086"></a><a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a4cdd8411024b27b14d12e5cd9598032f">00086</a>   <span class="keyword">protected</span> Node <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a4cdd8411024b27b14d12e5cd9598032f">createLiteralNode</a>(<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_literal.html">Literal</a> l)
<a name="l00087"></a>00087   {
<a name="l00088"></a>00088     Node n = null;
<a name="l00089"></a>00089     <span class="keywordflow">if</span> (l instanceof <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_attribute.html">Attribute</a>)
<a name="l00090"></a>00090     {
<a name="l00091"></a>00091       Attribute a = (Attribute) l;
<a name="l00092"></a>00092       n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;attribute&quot;</span>);
<a name="l00093"></a>00093       Node n_n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;name&quot;</span>);
<a name="l00094"></a>00094       n_n.setTextContent(a.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_attribute.html#a607a2ddb9db89ceab7d0201ccf4be3ba">getName</a>());
<a name="l00095"></a>00095       n.appendChild(n_n);
<a name="l00096"></a>00096       Node n_t = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;table&quot;</span>);
<a name="l00097"></a>00097       n_t.setTextContent(a.<a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_attribute.html#a7d431dee8abd0b3dbd962e301ef8eef0">getTableName</a>());
<a name="l00098"></a>00098       n.appendChild(n_t);
<a name="l00099"></a>00099     }
<a name="l00100"></a>00100     <span class="keywordflow">if</span> (l instanceof <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_value.html">Value</a>)
<a name="l00101"></a>00101       n = <a class="code" href="classca_1_1uqac_1_1dim_1_1turtledb_1_1_xml_condition_visitor.html#a476d6c1c0fbd6669c864bfe7e8c4cecb">m_doc</a>.createElement(<span class="stringliteral">&quot;value&quot;</span>);
<a name="l00102"></a>00102     n.setTextContent(l.toString());
<a name="l00103"></a>00103     <span class="keywordflow">return</span> n;
<a name="l00104"></a>00104   }
<a name="l00105"></a>00105 
<a name="l00106"></a>00106 }
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